"El Pirrurris" Jhon Camaney in a service, meets "Chido" Juan Camaney, who is a taxi driver and due to his kind and honest treatment, wins his trust and discovers that they are brothers. An artist manager, Chido's wife and her daughter, get him to join the Camaney family, acquiring a taxi stand and starting the adventures of the taxi drivers.
Jose, the town drunk is attacked by the Chupacabras and unknowingly becomes a Chupacabra himself. Like a vampire, he transforms and attacks his victims at night. His victims are typically very attractive women. Once bitten, these women lose their inhibitions. The problem is solved by two guys from a different galaxy.
When night falls, Prudencio disguises himself as a vampire and an old Green tail to seduce Florinda, Malena and Eva, his three neighbors. Meanwhile, the dangerous criminal nicknamed the little boy escapes from jail to kill Prudencio who stole Florinda's heart. Eva's suitor is a policeman who follows Chiquilín's tracks to capture him. Malena tells Prudencio that she had a daughter with him and forces her to recognize him. Prudencio's friend, Bad luck, seduces Florinda and Malena kidnaps Prudencio so that he does not abandon him. Finally the commander catches the Chiqilinín and Malena frees Prudencio to form a couple with Prudencio's uncle who comes from a town and with whom he bears a striking resemblance. Thus, the uncle recognizes Malena and her daughter as his new family.
Stranger with a dark past infects a small-town girl with HIV, and the contagion spreads out from there. Public health officials get involved...